參數(shù)資料
型號(hào)： RB0530L-30
廠商： Electronic Theatre Controls, Inc.
英文描述： 2-ch DC/DC Converter IC
中文描述： 2通道直流/直流轉(zhuǎn)換器集成電路
文件頁(yè)數(shù)： 13/36頁(yè)
文件大小： 380K
代理商： RB0530L-30
MB39A104
13
I
SETTING THE OUTPUT VOLTAGE
I
SETTING THE TRIANGULAR OSCILLATION FREQUENCY
The triangular oscillation frequency is determined by the timing capacitor (C
T
) connected to the CT terminal (pin
13), and the timing resistor (R
T
) connected to the RT terminal (pin 12).
Moreover, it shifts more greatly than the caluculated values according to the constant of timing resistor (R
T
) when
the triangular wave oscillation frequency exceeds 1 MHz. Therefore, set it referring to “Triangular Wave Oscillation
Frequency vs. Timing Resistor” and “Triangular Wave Oscillation Frequency vs. Timing Capacitor” in “
I
TYPICAL
CHARACTERISTICS”.
Triangular oscillation frequency : f
OSC
+
+
15
10
14
(CS2)
CS1
(
INE2)
INE1
V
O
R1
R2
1.24 V
Error Amp
1.24
R2
V
O
(V)
=
(R1
+
R2)
11
Output Voltage Setting Circuit
f
OSC
(kHz) :
1200000
C
T
(pF)
R
T
(k
)
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